504422221345240 has 128 divisors (see below), whose sum is σ = 1281681551592000. Its totient is φ = 176982272409600.

The previous prime is 504422221345193. The next prime is 504422221345313. The reversal of 504422221345240 is 42543122224405.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 504422221345193 and 504422221345202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5725120 + ... + 32274160.

Almost surely, 2^{504422221345240} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504422221345240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640840775796000).

504422221345240 is an abundant number, since it is smaller than the sum of its proper divisors (777259330246760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

504422221345240 is a wasteful number, since it uses less digits than its factorization.

504422221345240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26550581 (or 26550577 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 504422221345240 its reverse (42543122224405), we get a palindrome (546965343569645).

The spelling of 504422221345240 in words is "five hundred four trillion, four hundred twenty-two billion, two hundred twenty-one million, three hundred forty-five thousand, two hundred forty".